Enemy submarine attacked merchant ships off Bahia, Brazil according to the U.S. Joint Intelligence Committee. Daily summary dated 19 August 1942

An item reported that a enemy submarine torpedoed 5 ships in the vicinity of Bahia, Brazil on 14, 15 and 17 August. A US Navy aircraft attacked on 17 August a submarine there probably sinking her. There was no evidence that there were more submarines active in that area.

Source

Map Room Papers (Roosevelt Administration), 1942 - 1945. U.S. Joint Intelligence Committee. Daily summary No. 252 dated 19 August 1942